mirror of
https://github.com/aportelli/LatAnalyze.git
synced 2024-11-15 02:05:36 +00:00
92 lines
2.6 KiB
Plaintext
92 lines
2.6 KiB
Plaintext
/*
|
|
* AsciiLexer.lpp, part of LatAnalyze 3
|
|
*
|
|
* Copyright (C) 2013 - 2020 Antonin Portelli
|
|
*
|
|
* LatAnalyze 3 is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* LatAnalyze 3 is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with LatAnalyze 3. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
%option reentrant
|
|
%option prefix="_Ascii_"
|
|
%option bison-bridge
|
|
%option bison-locations
|
|
%option noyywrap
|
|
%option yylineno
|
|
|
|
%{
|
|
#include <LatAnalyze/Io/AsciiFile.hpp>
|
|
#include "AsciiParser.hpp"
|
|
|
|
using namespace std;
|
|
using namespace Latan;
|
|
|
|
#define YY_EXTRA_TYPE AsciiFile::AsciiParserState*
|
|
#define YY_USER_ACTION \
|
|
yylloc->first_line = yylloc->last_line = yylineno;\
|
|
yylloc->first_column = yylloc->last_column + 1;\
|
|
yylloc->last_column = yylloc->first_column + yyleng - 1;
|
|
|
|
#define YY_INPUT(buf, result, max_size) \
|
|
{ \
|
|
(*yyextra->stream).read(buf,max_size);\
|
|
result = (*yyextra->stream).gcount();\
|
|
}
|
|
|
|
#define YY_DEBUG 0
|
|
#if (YY_DEBUG == 1)
|
|
#define RETTOK(tok) cout << #tok << "(" << yytext << ")" << endl; return tok
|
|
#else
|
|
#define RETTOK(tok) return tok
|
|
#endif
|
|
%}
|
|
|
|
DIGIT [0-9]
|
|
ALPHA [a-zA-Z_+./-]
|
|
SIGN \+|-
|
|
EXP e|E
|
|
INT {SIGN}?{DIGIT}+
|
|
FLOAT {SIGN}?(({DIGIT}+\.{DIGIT}*)|({DIGIT}*\.{DIGIT}+))({EXP}{SIGN}?{INT}+)?
|
|
LMARK #L
|
|
BLANK [ \t]
|
|
|
|
%x MARK TYPE
|
|
|
|
%%
|
|
|
|
{LMARK} {BEGIN(MARK);}
|
|
{INT} {yylval->val_int = strTo<long int>(yytext); RETTOK(INT);}
|
|
{FLOAT} {yylval->val_double = strTo<double>(yytext); RETTOK(FLOAT);}
|
|
({ALPHA}|{DIGIT})+ {strcpy(yylval->val_str,yytext); RETTOK(ID);}
|
|
<MARK>latan_begin {BEGIN(TYPE); RETTOK(OPEN);}
|
|
<MARK>latan_end {BEGIN(TYPE); RETTOK(CLOSE);}
|
|
<TYPE>mat {BEGIN(INITIAL); RETTOK(MAT);}
|
|
<TYPE>rs_sample {BEGIN(INITIAL); RETTOK(SAMPLE);}
|
|
<TYPE>rg_state {BEGIN(INITIAL); RETTOK(RG_STATE);}
|
|
<*>\r*\n {yylloc->last_column = 0;}
|
|
<*>[ \t]
|
|
<*>. {yylval->val_char = yytext[0]; RETTOK(ERR);}
|
|
|
|
%%
|
|
|
|
void AsciiFile::AsciiParserState::initScanner()
|
|
{
|
|
yylex_init(&scanner);
|
|
yyset_extra(this, scanner);
|
|
}
|
|
|
|
void AsciiFile::AsciiParserState::destroyScanner()
|
|
{
|
|
yylex_destroy(scanner);
|
|
}
|